Most Common Car Issues

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Engine Brake (hp) From

Engine Manufacturer

Engine Number of Cylinders

Make

Model Year

MOST COMMON PROBLEMS

BMW 750iL 1995

The 1995 BMW 750iL is a luxurious sedan from the 7-Series, featuring a powerful 5.4-liter V12 engine delivering 322 horsepower. Manufactured by BMW AG in Dingolfing, Germany, it offers a sophisticated driving experience with a focus on safety, including front airbags and a supplemental restraint system for both the driver and passenger. With its classic design and advanced engineering, this vehicle is a standout in the realm of high-performance sedans.

Spec:

Engine Brake (hp) From

322.00

Engine Manufacturer

BMW-AG

Engine Model

4-Value

Engine Number of Cylinders

Problems:

Oil leaks

The BMW 750iL from 1995, particularly with the V12 engine, is known for developing oil leaks, which can occur at the valve cover gaskets and timing cover gaskets.

Cooling system issues

Older BMW engines, including the V12, can suffer from cooling system problems such as radiator or water pump failures, leading to overheating issues.

Timing chain problems

The timing chain on the BMW V12 engines can wear over time, leading to potential chain slack or failure, which can cause significant engine damage if not addressed.

Ignition coil failure

The ignition system in these engines, particularly the ignition coils, can fail, leading to misfires and rough engine performance.

Vacuum leaks

Vacuum hoses and connections can become brittle and crack with age, causing vacuum leaks that affect engine performance and fuel efficiency.

Fuel injector issues

The V12 engines may experience fuel injector problems, such as clogging or failure, resulting in poor fuel delivery and engine performance issues.

Carbon buildup

Due to the engine design, carbon buildup can occur in the intake system and on the valves, leading to reduced performance and efficiency.

BMW 750iL 1990

The 1990 BMW 750iL is a luxury sedan from the 7-series, featuring a powerful 4.98L V12 engine producing 295 hp. Manufactured in Dingolfing, Germany, this model includes a Dr. Supplemental Restraint System (SRS) and manual seat belts. It's a classic example of BMW's engineering prowess and elegance from that era.

Spec:

Engine Brake (hp) From

295

Engine Manufacturer

BMW-AG

Engine Model

4-Value

Engine Number of Cylinders

Problems:

Oil leaks

Common in older BMW engines due to aging seals and gaskets.

Cooling system failures

Radiator, water pump, and thermostat issues leading to overheating.

Timing chain wear

Can cause engine misfires or complete engine failure if not maintained.

Vacuum leaks

Can affect engine performance and fuel efficiency.

Fuel injector problems

Clogs or failures can lead to poor engine performance.

Ignition coil failures

Can lead to misfires and poor engine performance.

Valve cover gasket failure

Can cause oil leaks and affect engine performance.

Mass air flow (maf) sensor issues

Can lead to poor fuel economy and engine performance.

BMW 750iL 1988

The 1988 BMW 750iL is a luxury sedan with a powerful 5.0-liter V12 engine, producing 295 horsepower. Manufactured by BMW AG in Germany, this 7-Series model offers advanced safety features like the Dr. Supplemental System (SRS). With its classic design and robust performance, it remains a notable example of BMW's engineering excellence.

Spec:

Engine Brake (hp) From

295

Engine Manufacturer

BMW-AG

Engine Model

4-Value

Engine Number of Cylinders

Problems:

Oil leaks

Older BMW engines, like the one in the 1988 750iL, are known for developing oil leaks, often from the valve cover gaskets and oil pan gaskets.

Cooling system issues

The cooling system components such as the radiator, hoses, and water pump can fail, leading to overheating problems.

Vacuum leaks

The complex vacuum systems in older BMWs are prone to leaks, which can cause rough idling and poor performance.

Timing chain wear

Over time, the timing chain and its associated components can wear out, leading to potential engine damage if not addressed.

Fuel injector problems

The fuel injectors can become clogged or fail, causing issues with fuel delivery and engine performance.

Electrical issues

Older BMWs often have electrical gremlins, including problems with the engine control unit (ECU) and various sensors.

Head gasket failure

High mileage engines may experience head gasket failure, leading to coolant mixing with oil and potential engine damage.

Throttle body problems

The throttle body can become dirty or malfunction, leading to issues with engine idle and acceleration.

Ignition system failures

Components such as the distributor cap, rotor, and ignition coils can fail, causing misfires and poor engine performance.

Exhaust system corrosion

The exhaust system, including the catalytic converter and mufflers, can corrode over time, leading to leaks and increased emissions.